# thienone

> English word · Noun

## Definitions
1. A ketone derivative of thiophene obtained as a white crystalline substance, C₄H₃S)₂.CO, by the action of aluminium chloride and carbonyl chloride on thiophene.

## Etymology
From thienyl + -one.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/thienone